WRG: unused variable

include/otbSARDEMPolygonsAnalysisImageFilter.txx

@@ -1221,8 +1221,6 @@ namespace otb
 	    indexOptionnalImage[1] = ind_Line;
 	    
 	    // Estimate the value for the current ind_Line and store it into m_OptionnalResults
-	    ImageOutPixelType outOptionnalValue;
-
 	    // If first output => Estimate ans store results if second => copy and write into optionnal image
 	    // m_OptionnalResults is threadSafe because of mutex lock and unlock
 	    m_Mutex->Lock();